mkfs: enable inobtcount and bigtime by default

Enable the inode btree counters and large timestamp features by default.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 8da487a..0ff3932 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -3952,11 +3952,11 @@
 			.spinodes = true,
 			.rmapbt = true,
 			.reflink = true,
-			.inobtcnt = false,
+			.inobtcnt = true,
 			.parent_pointers = false,
 			.nodalign = false,
 			.nortalign = false,
-			.bigtime = false,
+			.bigtime = true,
 		},
 	};